+++ /dev/null
-/*
- * Copyright (c) 2000-2004,2011-2014 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- *
- * cssmdatetime.cpp -- CSSM date and time utilities for the Mac
- */
-
-#ifdef __MWERKS__
-#define _CPP_CSSM_DATE_TIME_UTILS
-#endif
-
-#include "cssmdatetime.h"
-
-#include <string.h>
-#include <stdio.h>
-#include <security_utilities/errors.h>
-#include <CoreFoundation/CFDate.h>
-#include <CoreFoundation/CFTimeZone.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <SecBase.h>
-namespace Security
-{
-
-namespace CSSMDateTimeUtils
-{
-
-#define UTC_TIME_NOSEC_LEN 11
-#define UTC_TIME_STRLEN 13
-#define GENERALIZED_TIME_STRLEN 15
-#define LOCALIZED_UTC_TIME_STRLEN 17
-#define LOCALIZED_TIME_STRLEN 19
-#define MAX_TIME_STR_LEN 30
-
-
-void
-GetCurrentMacLongDateTime(sint64 &outMacDate)
-{
- CFTimeZoneRef timeZone = CFTimeZoneCopyDefault();
- CFAbsoluteTime absTime = CFAbsoluteTimeGetCurrent();
- absTime += CFTimeZoneGetSecondsFromGMT(timeZone, absTime);
- CFRelease(timeZone);
- outMacDate = sint64(double(absTime + kCFAbsoluteTimeIntervalSince1904));
-}
-
-void
-TimeStringToMacSeconds (const CSSM_DATA &inUTCTime, uint32 &ioMacDate)
-{
- sint64 ldt;
- TimeStringToMacLongDateTime(inUTCTime, ldt);
- ioMacDate = uint32(ldt);
-}
-
-/*
- * Given a CSSM_DATA containing either a UTC-style or "generalized time"
- * time string, convert to 32-bit Mac time in seconds.
- * Returns nonzero on error.
- */
-void
-TimeStringToMacLongDateTime (const CSSM_DATA &inUTCTime, sint64 &outMacDate)
-{
- char szTemp[5];
- size_t len;
- int isUtc;
- sint32 x;
- sint32 i;
- char *cp;
-
- CFGregorianDate date;
- ::memset( &date, 0, sizeof(date) );
-
- if ((inUTCTime.Data == NULL) || (inUTCTime.Length == 0))
- {
- MacOSError::throwMe(errSecParam);
- }
-
- /* tolerate NULL terminated or not */
- len = inUTCTime.Length;
- if (inUTCTime.Data[len - 1] == '\0')
- len--;
-
- switch(len)
- {
- case UTC_TIME_STRLEN: // 2-digit year, not Y2K compliant
- isUtc = 1;
- break;
- case GENERALIZED_TIME_STRLEN: // 4-digit year
- isUtc = 0;
- break;
- default: // unknown format
- MacOSError::throwMe(errSecParam);
- }
-
- cp = (char *)inUTCTime.Data;
-
- /* check that all characters except last are digits */
- for(i=0; i<(sint32)(len - 1); i++) {
- if ( !(isdigit(cp[i])) ) {
- MacOSError::throwMe(errSecParam);
- }
- }
-
- /* check last character is a 'Z' */
- if(cp[len - 1] != 'Z' ) {
- MacOSError::throwMe(errSecParam);
- }
-
- /* YEAR */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- if(!isUtc) {
- /* two more digits */
- szTemp[2] = *cp++;
- szTemp[3] = *cp++;
- szTemp[4] = '\0';
- }
- else {
- szTemp[2] = '\0';
- }
- x = atoi( szTemp );
- if(isUtc) {
- /*
- * 2-digit year.
- * 0 <= year <= 50 : assume century 21
- * 50 < year < 70 : illegal per PKIX
- * 70 < year <= 99 : assume century 20
- */
- if(x <= 50) {
- x += 100;
- }
- else if(x < 70) {
- MacOSError::throwMe(errSecParam);
- }
- /* else century 20, OK */
-
- /* bug fix... we need to end up with a 4-digit year! */
- x += 1900;
- }
- /* by definition - tm_year is year - 1900 */
- //tmp->tm_year = x - 1900;
- date.year = x;
-
- /* MONTH */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- /* in the string, months are from 1 to 12 */
- if((x > 12) || (x <= 0)) {
- MacOSError::throwMe(errSecParam);
- }
- /* in a tm, 0 to 11 */
- //tmp->tm_mon = x - 1;
- date.month = x;
-
- /* DAY */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- /* 1..31 in both formats */
- if((x > 31) || (x <= 0)) {
- MacOSError::throwMe(errSecParam);
- }
- //tmp->tm_mday = x;
- date.day = x;
-
- /* HOUR */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- if((x > 23) || (x < 0)) {
- MacOSError::throwMe(errSecParam);
- }
- //tmp->tm_hour = x;
- date.hour = x;
-
- /* MINUTE */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- if((x > 59) || (x < 0)) {
- MacOSError::throwMe(errSecParam);
- }
- //tmp->tm_min = x;
- date.minute = x;
-
- /* SECOND */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- if((x > 59) || (x < 0)) {
- MacOSError::throwMe(errSecParam);
- }
- //tmp->tm_sec = x;
- date.second = x;
-
- CFTimeZoneRef timeZone = CFTimeZoneCreateWithTimeIntervalFromGMT(NULL, 0);
- CFAbsoluteTime absTime = CFGregorianDateGetAbsoluteTime(date, timeZone);
- CFRelease(timeZone);
-
- // Adjust abstime to local timezone
- timeZone = CFTimeZoneCopyDefault();
- absTime += CFTimeZoneGetSecondsFromGMT(timeZone, absTime);
- CFRelease(timeZone);
-
- outMacDate = sint64(double(absTime + kCFAbsoluteTimeIntervalSince1904));
-}
-
-void MacSecondsToTimeString(uint32 inMacDate, uint32 inLength, void *outData)
-{
- sint64 ldt = sint64(uint64(inMacDate));
- MacLongDateTimeToTimeString(ldt, inLength, outData);
-}
-
-void MacLongDateTimeToTimeString(const sint64 &inMacDate,
- uint32 inLength, void *outData)
-{
- // @@@ this code is close, but on the fringe case of a daylight savings time it will be off for a little while
- CFAbsoluteTime absTime = inMacDate - kCFAbsoluteTimeIntervalSince1904;
-
- // Remove local timezone component from absTime
- CFTimeZoneRef timeZone = CFTimeZoneCopyDefault();
- absTime -= CFTimeZoneGetSecondsFromGMT(timeZone, absTime);
- CFRelease(timeZone);
-
- timeZone = CFTimeZoneCreateWithTimeIntervalFromGMT(NULL, 0);
- CFGregorianDate date = CFAbsoluteTimeGetGregorianDate(absTime, timeZone);
- CFRelease(timeZone);
-
- if (inLength == 16)
- {
- sprintf((char *)(outData), "%04d%02d%02d%02d%02d%02dZ",
- int(date.year % 10000), date.month, date.day,
- date.hour, date.minute, int(date.second));
- }
- else if (inLength == 14)
- {
- /* UTC - 2 year digits - code which parses this assumes that
- * (2-digit) years between 0 and 49 are in century 21 */
- sprintf((char *)(outData), "%02d%02d%02d%02d%02d%02dZ",
- int(date.year % 100), date.month, date.day,
- date.hour, date.minute, int(date.second));
- }
- else
- MacOSError::throwMe(errSecParam);
-}
-
-void
-CFDateToCssmDate(CFDateRef date, char *outCssmDate)
-{
- CFTimeZoneRef timeZone = CFTimeZoneCreateWithTimeIntervalFromGMT(NULL, 0);
- CFGregorianDate gd = CFAbsoluteTimeGetGregorianDate(CFDateGetAbsoluteTime(date), timeZone);
- sprintf(outCssmDate, "%04d%02d%02d%02d%02d%02dZ", (int)gd.year, gd.month, gd.day, gd.hour, gd.minute, (unsigned int)gd.second);
- CFRelease(timeZone);
-}
-
-void
-CssmDateToCFDate(const char *cssmDate, CFDateRef *outCFDate)
-{
- CFTimeZoneRef timeZone = CFTimeZoneCreateWithTimeIntervalFromGMT(NULL, 0);
- CFGregorianDate gd;
- unsigned int year, month, day, hour, minute, second;
- sscanf(cssmDate, "%4d%2d%2d%2d%2d%2d", &year, &month, &day, &hour, &minute, &second);
- gd.year = year;
- gd.month = month;
- gd.day = day;
- gd.hour = hour;
- gd.minute = minute;
- gd.second = second;
- *outCFDate = CFDateCreate(NULL, CFGregorianDateGetAbsoluteTime(gd, timeZone));
- CFRelease(timeZone);
-}
-
-int
-CssmDateStringToCFDate(const char *cssmDate, unsigned int len, CFDateRef *outCFDate)
-{
- CFTimeZoneRef timeZone;
- CFGregorianDate gd;
- CFTimeInterval ti=0;
- char szTemp[5];
- unsigned isUtc=0, isLocal=0, i;
- int x;
- unsigned noSeconds=0;
- char *cp;
-
- if((cssmDate == NULL) || (len == 0) || (outCFDate == NULL))
- return 1;
-
- /* tolerate NULL terminated or not */
- if(cssmDate[len - 1] == '\0')
- len--;
-
- switch(len) {
- case UTC_TIME_NOSEC_LEN: // 2-digit year, no seconds, not y2K compliant
- isUtc = 1;
- noSeconds = 1;
- break;
- case UTC_TIME_STRLEN: // 2-digit year, not Y2K compliant
- isUtc = 1;
- break;
- case GENERALIZED_TIME_STRLEN: // 4-digit year
- //isUtc = 0;
- break;
- case LOCALIZED_UTC_TIME_STRLEN: // "YYMMDDhhmmssThhmm" (where T=[+,-])
- isUtc = 1;
- // deliberate fallthrough
- case LOCALIZED_TIME_STRLEN: // "YYYYMMDDhhmmssThhmm" (where T=[+,-])
- isLocal = 1;
- break;
- default: // unknown format
- return 1;
- }
-
- cp = (char *)cssmDate;
-
- /* check that all characters except last (or timezone indicator, if localized) are digits */
- for(i=0; i<(len - 1); i++) {
- if ( !(isdigit(cp[i])) )
- if ( !isLocal || !(cp[i]=='+' || cp[i]=='-') )
- return 1;
- }
- /* check last character is a 'Z', unless localized */
- if(!isLocal && cp[len - 1] != 'Z' ) {
- return 1;
- }
-
- /* YEAR */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- if(!isUtc) {
- /* two more digits */
- szTemp[2] = *cp++;
- szTemp[3] = *cp++;
- szTemp[4] = '\0';
- }
- else {
- szTemp[2] = '\0';
- }
- x = atoi( szTemp );
- if(isUtc) {
- /*
- * 2-digit year.
- * 0 <= year < 50 : assume century 21
- * 50 <= year < 70 : illegal per PKIX
- * 70 < year <= 99 : assume century 20
- */
- if(x < 50) {
- x += 2000;
- }
- else if(x < 70) {
- return 1;
- }
- else {
- /* century 20 */
- x += 1900;
- }
- }
- gd.year = x;
-
- /* MONTH */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- /* in the string, months are from 1 to 12 */
- if((x > 12) || (x <= 0)) {
- return 1;
- }
- gd.month = x;
-
- /* DAY */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- /* 1..31 in both formats */
- if((x > 31) || (x <= 0)) {
- return 1;
- }
- gd.day = x;
-
- /* HOUR */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- if((x > 23) || (x < 0)) {
- return 1;
- }
- gd.hour = x;
-
- /* MINUTE */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- if((x > 59) || (x < 0)) {
- return 1;
- }
- gd.minute = x;
-
- /* SECOND */
- if(noSeconds) {
- gd.second = 0;
- }
- else {
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp );
- if((x > 59) || (x < 0)) {
- return 1;
- }
- gd.second = x;
- }
-
- if (isLocal) {
- /* ZONE INDICATOR */
- ti = (*cp++ == '+') ? 1 : -1;
- /* ZONE HH OFFSET */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp ) * 60 * 60;
- ti *= x;
- /* ZONE MM OFFSET */
- szTemp[0] = *cp++;
- szTemp[1] = *cp++;
- szTemp[2] = '\0';
- x = atoi( szTemp ) * 60;
- ti += ((ti < 0) ? (x*-1) : x);
- }
- timeZone = CFTimeZoneCreateWithTimeIntervalFromGMT(NULL, ti);
- if (!timeZone) return 1;
- *outCFDate = CFDateCreate(NULL, CFGregorianDateGetAbsoluteTime(gd, timeZone));
- CFRelease(timeZone);
-
- return 0;
-}
-
-}; // end namespace CSSMDateTimeUtils
-
-} // end namespace Security
projects / apple / security.git / blobdiff